From ocean fireballs, to mythical apes and ghosts that only show up on film, these are 20 photos so mysterious, so impossible that it's often said they shouldn't exist at all.
Warning, text spoilers below!
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The Tadpole Monster,
The Modern Time Traveler,
Naga Fireballs,
The Hampton Court Ghost,
The Solway Firth Astronaut,
Babushka Lady,
Battle of Los Angeles,
The S.S. Watertown Ghosts,
Freddy Jackson's Ghost,
The Falling Body,
The McMinnville UFO,
Brown Lady of Raynham Hall,
Hessdalen Light,
Skunk Ape,
The Spectre of Newby Church,
The UFO painting,
The Phoenix Lights,
Loch Ness,
Big Foot,
The Black Knight
